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World Scientist and University Rankings 2026

Iran Others 17.790 Scientists Subject Rankings

The AD Scientific Index (Alper-Doger Scientific Index) provides the most comprehensive analysis across 13 main fields and 211 sub-branches at global, national, and regional levels. These analyses are based on indicators such as the H-index, i10-index, and citation count, including their values from the last 5 yearsAs of Jan 02, 2026, the rankings are determined according to the Total H IndexBETA VERSION: The subject field rankings for the world, regions, countries, and universities are currently in their Beta phase. This is due to the exclusion of (1.131.752) scientists categorized under ‘Others’, whose profiles have yet to be determined, edited, or classified. As updates are made to these fields, the rankings will be adjusted accordingly. Note: Please keep this in mind while reviewing the rankings. For further details, explore our [University Subject Rankings].

* Total H Index Rankings

Rankings

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3,198
World Rank
12
Country Rank
3
University
Ranking Based On Selection:
1
Others
Health metrics and evaluation | NCDs | Health system performance assessmen

H-Index Metrics

  • H-Index
    136
  • i10 Index
    397
  • Citation Counts
    436,437
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* Total H Index Rankings

Rankings

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8,172
World Rank
24
Country Rank
2
University
Ranking Based On Selection:
2
Others
Corrosion | Polymer Nano-composites | MOFs/MXene | Smart Coatings | Graphene Oxid

H-Index Metrics

  • H-Index
    108
  • i10 Index
    456
  • Citation Counts
    36,061
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* Total H Index Rankings

Rankings

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8,435
World Rank
25
Country Rank
1
University
Ranking Based On Selection:
3
Others
Global Health | Health Technology Assessment | Health Policy | Economic Evaluation | Evidence Synthesi

H-Index Metrics

  • H-Index
    106
  • i10 Index
    192
  • Citation Counts
    158,083
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* Total H Index Rankings

Rankings

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9,066
World Rank
28
Country Rank
2
University
Ranking Based On Selection:
4
Others
Global health | Health Metrics & Evaluation | Community & Preventive Medicine | Health equit

H-Index Metrics

  • H-Index
    104
  • i10 Index
    273
  • Citation Counts
    224,604
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* Total H Index Rankings

Rankings

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10,549
World Rank
33
Country Rank
8
University
Ranking Based On Selection:
5
Others
Multilevel Modeling - Bayesian Modeling- Mixed Effects Modeling - Survival Analysi

H-Index Metrics

  • H-Index
    100
  • i10 Index
    196
  • Citation Counts
    202,178
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* Total H Index Rankings

Rankings

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10,552
World Rank
34
Country Rank
9
University
Ranking Based On Selection:
6
Others
Traumatic Spinal Cord Injury Global burden of diseases and injurie

H-Index Metrics

  • H-Index
    100
  • i10 Index
    336
  • Citation Counts
    167,038
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* Total H Index Rankings

Rankings

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11,399
World Rank
37
Country Rank
1
University
Ranking Based On Selection:
7
Others
Cancer biomarker | Cancer therapy | Stem cell

H-Index Metrics

  • H-Index
    98
  • i10 Index
    322
  • Citation Counts
    94,116
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* Total H Index Rankings

Rankings

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17,404
World Rank
53
Country Rank
1
University
Ranking Based On Selection:
8

H-Index Metrics

  • H-Index
    87
  • i10 Index
    228
  • Citation Counts
    198,915
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* Total H Index Rankings

Rankings

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24,342
World Rank
88
Country Rank
4
University
Ranking Based On Selection:
9
Others
Bioenergy | Biofuels and IC Engine

H-Index Metrics

  • H-Index
    79
  • i10 Index
    254
  • Citation Counts
    20,909
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* Total H Index Rankings

Rankings

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26,282
World Rank
96
Country Rank
5
University
Ranking Based On Selection:
10
Others
Fracture Mechanics | Rock Fracture Mechanics | Rock mechanics | Asphalt Concret

H-Index Metrics

  • H-Index
    77
  • i10 Index
    204
  • Citation Counts
    17,085
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* Total H Index Rankings

Rankings

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28,948
World Rank
106
Country Rank
1
University
Ranking Based On Selection:
11
Others
Wood-plastic composites | Nano bio-composite and cellulose modification | Property enhancement of non-wood fibers | Pulp and pape

H-Index Metrics

  • H-Index
    75
  • i10 Index
    168
  • Citation Counts
    15,563
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* Total H Index Rankings

Rankings

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31,634
World Rank
118
Country Rank
1
University
Ranking Based On Selection:
12
Others
Tissue engineering | Nano-biotechnology | Physical and natural differentiation of stem cells

H-Index Metrics

  • H-Index
    73
  • i10 Index
    345
  • Citation Counts
    19,755
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* Total H Index Rankings

Rankings

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31,668
World Rank
119
Country Rank
1
University
Ranking Based On Selection:
13
Others
Infectious disease epidemiology and modeling (HIV | TB | malaria) | Futures studies and foresighting | Health policy and health man

H-Index Metrics

  • H-Index
    73
  • i10 Index
    511
  • Citation Counts
    24,546
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* Total H Index Rankings

Rankings

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34,083
World Rank
137
Country Rank
4
University
Ranking Based On Selection:
14
Others
Meta analysis | Statistical Modelling | Liver Diseases | Metabolic Diseases | Artificial Intelligenc

H-Index Metrics

  • H-Index
    71
  • i10 Index
    177
  • Citation Counts
    86,528
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* Total H Index Rankings

Rankings

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34,210
World Rank
140
Country Rank
3
University
Ranking Based On Selection:
15
Others
Coating | Corrosion | Nanomaterials | Machine Learnin

H-Index Metrics

  • H-Index
    71
  • i10 Index
    190
  • Citation Counts
    16,105
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* Total H Index Rankings

Rankings

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35,808
World Rank
150
Country Rank
22
University
Ranking Based On Selection:
16
* Total H Index Rankings

Rankings

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37,544
World Rank
166
Country Rank
6
University
Ranking Based On Selection:
17
Others
Chaos | Chaotic Systems | Nonlinear Dynamics | Optimization

H-Index Metrics

  • H-Index
    69
  • i10 Index
    315
  • Citation Counts
    18,385
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* Total H Index Rankings

Rankings

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39,155
World Rank
181
Country Rank
1
University
Ranking Based On Selection:
18
Others
Scale Development | psychometrics | Qualitative Stud

H-Index Metrics

  • H-Index
    68
  • i10 Index
    522
  • Citation Counts
    23,885
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* Total H Index Rankings

Rankings

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39,603
World Rank
186
Country Rank
19
University
Ranking Based On Selection:
19
Others
Systems Engineering & O

H-Index Metrics

  • H-Index
    68
  • i10 Index
    321
  • Citation Counts
    16,930
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* Total H Index Rankings

Rankings

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42,651
World Rank
199
Country Rank
3
University
Ranking Based On Selection:
20

H-Index Metrics

  • H-Index
    66
  • i10 Index
    185
  • Citation Counts
    76,525
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* Total H Index Rankings

Rankings

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42,683
World Rank
200
Country Rank
28
University
Ranking Based On Selection:
21

H-Index Metrics

  • H-Index
    66
  • i10 Index
    498
  • Citation Counts
    19,005
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* Total H Index Rankings

Rankings

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43,470
World Rank
209
Country Rank
1
University
Ranking Based On Selection:
22

H-Index Metrics

  • H-Index
    66
  • i10 Index
    264
  • Citation Counts
    14,188
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* Total H Index Rankings

Rankings

flag
49,046
World Rank
243
Country Rank
2
University
Ranking Based On Selection:
23
Others
Environmental Healt

H-Index Metrics

  • H-Index
    63
  • i10 Index
    191
  • Citation Counts
    11,868
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* Total H Index Rankings

Rankings

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49,059
World Rank
244
Country Rank
5
University
Ranking Based On Selection:
24
Others
Environmental Health | Environmental Epidemiology | Environmental Toxicology | Environmental Educatio

H-Index Metrics

  • H-Index
    63
  • i10 Index
    151
  • Citation Counts
    61,843
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* Total H Index Rankings

Rankings

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50,376
World Rank
252
Country Rank
23
University
Ranking Based On Selection:
25

H-Index Metrics

  • H-Index
    63
  • i10 Index
    205
  • Citation Counts
    11,378
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